在帕金森病模型中,亚体内核深层大脑刺激会诱导对北上腺能神经递质的功能缺陷
Meike Statz1, Hanna Weber1, Frederike Weis1
1Department of Neurology, University of Rostock, Gehlsheimer Straße 20, 18147 Rostock, Germany.
Brain research
|July 25, 2024
概括
对于帕金森病 (PD) 的深度大脑刺激调节了大鼠模型的条形体中的北上腺素水平. 需要进一步的研究来了解这些变化的行为影响.
科学领域:
- 神经科学是一个神经科学.
- 神经学 神经学
- 药理学 药理学是指药理学的学科.
背景情况:
- 亚thalamic核 (STN-DBS) 的深度大脑刺激是帕金森病 (PD) 运动和非运动症状的关键治疗方法.
- 然而,STN-DBS与术后认知障碍有关.
研究的目的:
- 研究STN-DBS对多巴胺和北上腺素在不同大脑区域的可用性的影响.
- 在6-氧多巴胺PD小鼠模型中检查catecholaminergic神经元的形态变化.
主要方法:
- 连续单方面STN-DBS或假刺激应用于健康和6多巴胺受伤的老鼠一个星期.
- 多巴胺和上腺素水平在条纹体,嗅觉球体和牙状环中得到量化.
- 在刺激后,在特定的大脑区域分析了多巴胺和诺亚胺的神经元数量.
主要成果:
- 在PD大鼠中,STN-DBS并没有改变多巴胺水平,但降低了条纹性上腺素.
- 没有观察到中脑或脑神经元数量的多巴胺或诺亚能变化.
- 经过六周的STN-DBS,条形体中的多巴胺纤维密度保持不变.
结论:
- 在PD大鼠模型中,STN-DBS会影响条状状 noradrenergic 神经传递.
- 这些神经化学调节的功能影响需要通过行为研究进一步调查.
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